85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
package crawler
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import (
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"encoding/json"
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"errors"
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"log"
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"loafle.com/overflow/crawler_go/config"
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)
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type Internal interface {
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Internal(params config.Config) ([]byte, error)
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}
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type Crawler interface {
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Init(path []byte) ([]byte, error)
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Add(data []byte) ([]byte, error)
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Remove(id string) ([]byte, error)
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Get(id string) ([]byte, error)
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}
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type CrawlerImpl struct {
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Crawler
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configs map[string] config.Config
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internal Internal
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}
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func (c *CrawlerImpl) Init(data []byte) ([]byte, error) {
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if c.configs == nil {
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c.configs = make(map[string]config.Config, 0)
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}
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_,err := c.Add(data)
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if err != nil {
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log.Fatal(err)
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}
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// load all file in path
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return json.Marshal(true)
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}
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func (c *CrawlerImpl) Add(data []byte) ([]byte, error) {
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var m = config.Config{}
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json.Unmarshal(data, &m)
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c.configs[m.Id] = m
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return json.Marshal(true)
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}
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func (c *CrawlerImpl) Remove(id string) ([]byte, error) {
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//remove in config
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delete(c.configs,id)
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return json.Marshal(true)
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}
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func (c *CrawlerImpl) Get(id string) ([]byte, error) {
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if c.internal != nil {
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out, err := c.internal.Internal(c.GetConfig(id))
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if err != nil {
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//set error fail, message
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return nil, err
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}
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return out, nil
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}
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return nil, errors.New("Not Assign")
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}
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// internal methods
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func (c *CrawlerImpl) GetConfig(id string) config.Config {
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return c.configs[id]
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}
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func (c *CrawlerImpl) SetInternal(i Internal) {
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c.internal = i
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}
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func (c *CrawlerImpl) PutConfig(name string, m config.Config) {
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if c.configs == nil {
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c.configs = make(map[string]config.Config, 0)
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}
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c.configs[name] = m
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}
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